1.
7 – 7 =
1
0
5
3
|
2.
6 – 3 =
7
3
6
5
|
3.
1 – 0 =
6
3
1
4
|
4.
9 – 2 =
10
3
9
7
|
5.
6 – 3 =
4
7
5
3
|
6.
3 – 3 =
0
2
3
1
|
7.
1 – 0 =
2
1
4
6
|
8.
3 – 3 =
1
3
2
0
|
9.
4 – 1 =
1
4
3
2
|
10.
3 – 1 =
1
2
3
7
|
11.
2 – 0 =
3
2
5
1
|
12.
10 – 9 =
6
1
5
4
|
13.
6 – 5 =
4
3
1
2
|
14.
1 – 1 =
2
4
1
0
|
15.
3 – 2 =
6
1
2
3
|
16.
5 – 1 =
3
1
4
8
|
17.
10 – 5 =
6
8
5
9
|
18.
5 – 5 =
0
3
5
2
|
19.
10 – 9 =
1
4
3
5
|
20.
9 – 0 =
12
7
13
9
|
1.
7 – 7 =
1
0
5
3
|
2.
6 – 3 =
7
3
6
5
|
3.
1 – 0 =
6
3
1
4
|
4.
9 – 2 =
10
3
9
7
|
5.
6 – 3 =
4
7
5
3
|
6.
3 – 3 =
0
2
3
1
|
7.
1 – 0 =
2
1
4
6
|
8.
3 – 3 =
1
3
2
0
|
9.
4 – 1 =
1
4
3
2
|
10.
3 – 1 =
1
2
3
7
|
11.
2 – 0 =
3
2
5
1
|
12.
10 – 9 =
6
1
5
4
|
13.
6 – 5 =
4
3
1
2
|
14.
1 – 1 =
2
4
1
0
|
15.
3 – 2 =
6
1
2
3
|
16.
5 – 1 =
3
1
4
8
|
17.
10 – 5 =
6
8
5
9
|
18.
5 – 5 =
0
3
5
2
|
19.
10 – 9 =
1
4
3
5
|
20.
9 – 0 =
12
7
13
9
|